Amplifying circuit with variable supply voltage

Details Amplifying circuit with variable supply voltage Amplifying circuit with variable supply voltage

2007-11-20

2007-11-20

Nguyen, Khanh Van (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including particular power supply circuitry

C330S136000

Reexamination Certificate

active

11154759

ABSTRACT:
An amplifying circuit with a variable supply voltage and a method thereof are disclosed. The amplifying circuit employs a voltage converter to adjust the supply voltage, thereby upgrading the energy efficiency of the circuit. The circuit also includes a control device, which can generate a control signal for controlling the voltage converter according to an output signal or input signal of the circuit.

REFERENCES:
patent: 4873493 (1989-10-01), Fujiwara
patent: 6624702 (2003-09-01), Dening
patent: 6639471 (2003-10-01), Matsuura et al.

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